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John Dalton discovered the atom in 1803.

He didn't really discover the atom. He developed a theory of matter that involved atoms. Atoms were proved to exist later.

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What was the discovery year for Dalton john?

"1803"


For what is John Dalton known for?

Chemical symbols and discovery and elaboration of atoms


Where did John Dalton make his discovery?

john Dalton invented the atomic theory. John Dalton introduced the basic concepts on which the modern periodic table is based.


Why is London's Royal Society important in the discovery of the atom?

Because John Dalton - the discoverer - was a member.


What date was the modern atomic theory invented?

in 1803 by John Dalton


Do John Dalton have any brothers or sisters?

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On what date was John Dalton born?

John Dalton, an English chemist, physicist, and meteorologist was born on September 6, 1766. He is famous for his work in developing the modern atomic theory.


How did Thomson experiment change Dalton's atomic model?

John Dalton stated "all atoms of a given element are identical"; discovery of isotopes by Thomson infirmed this old hypothesis.


How did Thomson experiment change Dalton atomic model?

John Dalton stated "all atoms of a given element are identical"; discovery of isotopes by Thomson infirmed this old hypothesis.


Who proposed john Dalton's atomic theory?

John Dalton. He put forward the atomic theory in 1808.


Who said elements combine in specific proportion?

john Dalton


Who came up with the 4-part atomic theory in 1805?

The first person to develop the first model of the atom in 1803 was John Dalton.